import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class AddServlet extends HttpServlet {

 protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
 int a = Integer.parseInt(req.getParameter("a"));
 int b = Integer.parseInt(req.getParameter("b"));
 int c = a + b;
 resp.getWriter().println(a + " + " + b + " = " + c);
 }

}
